Charles



@niet tant @anni @man CHARLES O. WlNEGAR, OF" DRYTOWN, CALlFORNlA.

Letters Patent No. 67,935, dated August 20, 1867.

IMPROVEMENT IN SllilAll/l-GENERA'IORS.

dlp Sdgeh'nle ninth in in tlgrse trttttt lu-tent mit making mit it tige anni.

T() ALL WHOM IT MAY CONOERN Be it known that I, 'CHARLES O.W1NEGAR of Drytown, county of Amador, State of California, have invented certain new and usefulimprovements in Stealn-Generators;' and I do hereby declare the following description and accompanying drawings are vsuiicient to enable any person skilled in'the art or science to which it most nearly appertains to make and use my said invention or improvements without further invention or experiment.

The nature of myinvention is to provide a steurn-gencrator to take the place of the ordinary steam-boiler, so constructed and arranged as to supply the necessary'quantity of steam without the danger from explosions so incident inthe use of the cylindrical or tubular boiler. In order to accomplish this, I employ a series of longitudinal pipes or tubes, beth ends ofiwhich are inserted in oblong waterchests placed transversely with the tubes, each series ofV tubes having independent chests placed one upon thc other. The lower tier of tubes is Composed ofbut one-half the number, and one-halt` the length of chest at the end where the water is supplied `to the generator, and terminates at the top in the same manner, giving an inclination to one-half of the tubes alternately. A steam-drum Splaced'upon the top ofthe uppermost tier, 4connected to` the upper or short chest. The chests are pierced for plugs opposite the vends of' each tubeu,

To inore fully describe my invention, reference is had to the accompanying drawing and letters marked thereon, of which- Figure 1 is a side sectional elevation.

Figure 2, a plan;

Figure 3, an end view.

Similar letters indicate like parts in each of the figures. i

A represents .my-steam-genlerator, to be placed in a furnace of masonry, and the whole may be enclosed with the exception of the fiont ends, which may be left open for the purpose of testing the height of water in the tubes or water-chests. a a a are a series of longitudinal 'pipes or tubes of any desired sizeand thickness. Each end ofthe tubes is inserted in water-chests B B B B, placed transversely to them, every layer of tubes being supplied with one at each end, so that one chest restson top of another tothe desired height. rlhe lower and upper ones, B and B, are only one-halt' the length of B Bj consequently, commencing at the bottom of the generator, in.' the front cnd, they contain but half the number of tubes, and terminate at the top on the opposite side withlthe same number, forming a regular upward angle of inclination alternately upon each side. A communication only is had between the chests of the tubes. C is the induction or supply-water pipcplaced in the end of the lower chest B', vand may be provided with a stop-cock,- b, Gaugecocks D D D are placed ib `the front of the chests B B B, to ascertainithe height of water in the steam-chests and tubes. Plugs c c c c are placed in the chests, opposite each end of all of the tubes, f or the purpose of cleaningthe tubes from debris or scale, but these should not be removed when the generator is in operation. Near the inner end of the upper chest B is placed an escape pipe, d, which may be provided with a stop-cock. This pipe leads into the head of a steam-drum, E, placed over the tubes, from whence the supply of steam is-takeu through an escupe pipe,F.

The manner of operating my steam-generator may be described as follows, to wit: The water is admitted to the pipes or tubes through the lower waterchest B', and passes up the incline tubes contained in that chest to the lower chest B, at the other end, and fills the remaining number of tubes, which 'are doubled by the length of the chest, and are placed at an incline toward the che'st above B', and so on until the desired height of water is attained. The lower tubesand chests, being more directly exposed to the hottest part of the lire, should be kept full of water, but the water should not be allowed to rise'abovc the cocks in the succeeding chests, as it would occupy the place intended for steam; neither should the water fall much below the cocks, as the steam might become dry or superhcated,'and thus injure the machinery to which it is to be applied. The lower tubes and chest, being constantly supplied with cold water by the pump, will keep them from being injured by the heat ci" the furnace, and the water be constantly converted into steam and ascend through the tubes into the steam-chest at the top of the generator, from whence it is directed. to the engines. rlhe chest being constructed separate, will prevent Athe water from being forced fromthc lower tubes to the upper ones by the steam, as 'would be the case ii'4 the chests were connected by any other means than 'by the tubes.

Although lA have described connecting each tier of tubes to separate chests at both ends, I am aware that the several tiers of tu-bes may be connected to separate chests at one end only, to prevent strainng'the tubes when heated unequally, and under some circumstances it may be best to make them in that way.

I have not as yet determined what pump will be the best toiuse in connection with my generator, but think that any device may be employed for keeping up a constant and regular supply, to-be ascertained, .in all cases, by the gauge-cocks in the water-chests.

For constructing the tubes and water-chests, good boiler iron should be used ofthe strength and thickness employed in the manufacture ofY tubular boilers.

What I claim as my invention and improvements in steamgenerators is- Connecting each series of tubes to separate and independent chests at both ends, so that each series of tubes can expand and contract without straining the others or being strained themselves.

lalso claim arranging the tubes in each tier, so as-to form a connection between all the chests und all the tubes used, substantially as described.

^ CHAS. O. lllINllGAR.v [1.. s]

Witnesses:

GUs. A. MoUNTz, C. W. M. SMITH. 

